CMH Pub 7-9-1 The Last Offensive by Charles B. MacDonald. First published 1973.
"Focusing on the role of Five American armies and their tactical air support, with some account of the role of Allied forces, this book brings to an end the war in Europe."
GPO number: 008-029-00297-3
Digitized by the U.S. Army Center of Military History: http://www.history.army.mil